<template>
  <div>
    <TypeNav></TypeNav>
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 监测searchparams.categoryName是否有值，有值显示，没有值隐藏 -->
            <li class="with-x" v-show="searchParams.categoryName">{{ searchParams.categoryName }}<i @click="removeBread">×</i></li>
            <!-- 监测searchparams.keyword是否有值，有值显示，没有值隐藏 -->
            <li class="with-x" v-show="searchParams.keyword">{{ searchParams.keyword }}<i @click="removeKeyword">×</i></li>
            <!-- 监测searchparams.trademard是否有值，有值显示，没有值隐藏 -->
            <li class="with-x" v-show="searchParams.trademark">{{ searchParams.trademark.split(':')[1] }}<i @click="removeTradeMard">×</i></li>
            <!-- 监测searchparams.props是否有值，有值显示，没有值隐藏 -->
            <!-- 把被单击的索引传递到方法中 -->
            <li class="with-x" v-for="(item, index) in searchParams.props" :key="index">{{ item.split(':')[1] }}<i @click="removeProps(index)">×</i></li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @tradeMardInfo="tradeMardInfo" @attrSetValue="attrSetValue" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 1代表综合 -->
                <!-- 当order中存在 1 那么综合添加激活类，indexOf返回值不是-1 -->
                <li :class="{ active: isOne }" @click="changeFlag('1')">
                  <a>综合 <span v-show="isOne" class="" :class="{ 'iconfont icon-download': isDesc, 'iconfont icon-upload': isAsc }"></span></a>
                </li>
                <!-- 2代表价格 -->
                <li :class="{ active: isTwo }" @click="changeFlag('2')">
                  <a>价格 <span v-show="isTwo" :class="{ 'iconfont icon-download': isDesc, 'iconfont icon-upload': isAsc }"></span> </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="item in getGoodsList" :key="item.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${item.id}`">

                     <!-- 使用懒加载加载图片 -->
                     <img v-lazy="item.defaultImg" /></router-link>
                  
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ item.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" :title="item.title" v-html="item.title"></a>
                  </div>
                  <div class="commit">
                    <i class="command"
                      >已有<span>{{ item.hotScore }}</span
                      >人评价</i
                    >
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :total="total" :continues="5" @getPageNo="getPageNo"></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector'
export default {
  name: 'Search',
  data() {
    return {
      //服务器传递参数
      searchParams: {
        //一级分类名称
        category1Id: '',
        //二级分类名称
        category2Id: '',
        //三级分类名称
        category3Id: '',
        //分类名称
        categoryName: '',
        //搜索关键字
        keyword: '',
        //商品参数，格式为数组: ["属性ID:属性值:属性名"]
        props: [],
        //品牌
        trademark: '',
        //排序
        order: '1:desc',
        //请求第几页数据
        pageNo: 1,
        //页面展示的商品数量
        pageSize: 10,
      },
    }
  },
  components: {
    SearchSelector,
  },
  beforeMount() {
    //发送请求之前把要带给服务器的参数进行合并
    //Object.assign的作用是合并参数，把第二个参数与第三个参数的属性合并到第一个参数中
    Object.assign(this.searchParams, this.$route.query, this.$route.params)
  },
  mounted() {
    //发送请求
    this.getData()
  },
  methods: {
    //更新当前页，发请求获取数据
    getPageNo(num) {
      this.searchParams.pageNo = num
      this.getData()
    },
    // 升降序方法
    changeFlag(flag) {
      //记录原来的order
      let originOrder = this.searchParams.order
      // 记录data中的标号 1综合，2价格
      let originFlag = originOrder.split(':')[0]
      // 记录data中的text， asc升序，desc降序
      let originText = originOrder.split(':')[1]
      // 如果单击的按钮与data中的  flag值相同，就是单击的一个按钮
      if (flag === originFlag) {
        // 拼接字符串，升降序取反
        let newOrder = `${originFlag}:${originText === 'asc' ? 'desc' : 'asc'}`
        this.searchParams.order = newOrder
        // 单击另一个按钮会触发else
      } else {
        let newOrder = `${flag}:desc`
        this.searchParams.order = newOrder
      }
      this.getData()
    },
    //index 对应的就是 数组中第几项
    //删除商品参数面包屑
    removeProps(index) {
      //被单击的选项删除，删除一个
      this.searchParams.props.splice(index, 1)
      //发送请求重新获取数据
      this.getData()
    },
    attrSetValue(item, tItem) {
      //拼接字符串为服务器要求的格式
      let member = `${item.attrId}:${tItem}:${item.attrName}`
      //数组去重
      if (this.searchParams.props.indexOf(member) == -1) {
        this.searchParams.props.push(member)
      }
      //发送请求获取数据
      this.getData()
    },
    removeTradeMard() {
      this.searchParams.trademark = ''
    },
    tradeMardInfo(value) {
      this.searchParams.trademark = `${value.tmId}:${value.tmName}`
      this.getData()
    },
    removeKeyword() {
      this.searchParams.keyword = undefined
      this.getData()
      if (this.$route.query) {
        this.$router.push({ name: 'search', query: this.$route.query })
      }
      //触发全局事件
      this.$bus.$emit('updateValue')
    },
    removeBread() {
      //当参数的值为undefined时，向服务器发送请求时，不会携带此参数
      this.searchParams.categoryName = ''
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
      //重现请求数据
      this.getData()
      //清除url路径,清除query中的参数，并不清除params的参数
      let keyword = this.$route.params.keyword || ""
      if (this.$route.params) {
        this.$router.push(`/search/${keyword}`)
      }
      console.log(this.$route.params.keyword)
    },
    getData() {
      this.$store.dispatch('getSearchList', this.searchParams)
    },
  },
  computed: {
    total() {
      return this.$store.state.search.searchList.total
    },
    getGoodsList() {
      //获取仓库的商品列表
      return this.$store.getters.goodsList
    },
    isOne() {
      return this.searchParams.order.indexOf('1') != -1
    },
    isTwo() {
      return this.searchParams.order.indexOf('2') != -1
    },
    isAsc() {
      return this.searchParams.order.indexOf('asc') != -1
    },
    isDesc() {
      return this.searchParams.order.indexOf('desc') != -1
    },
  },

  watch: {
    //监听路由发送请求
    $route(newval, oldval) {
      //合并服务器传递的参数
      Object.assign(this.searchParams, this.$route.query, this.$route.params)
      //发送请求
      this.getData()
      //清除id ，不然会重复传递参数，其他项不用清除，合并参数会覆盖值
      this.searchParams.category1Id = ''
      this.searchParams.category2Id = ''
      this.searchParams.category3Id = ''
    },
  },
}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
